Okay, I assume that you are referring the economy mode / idle control feature of the generator.
When this is turned on, the engine should run at a slower speed, until a load is detected, then the engine should speed up very quickly. Turning this feature off should result in the engine speeding up quickly as well.
Normally, this is done using a solenoid that is connected to the governor arm. When idle control is requested (run slower), the solenoid engages, and pulls the governor arm in a way so that the throttle is closed. When idle control is disabled (or load detected), then the solenoid sits unpowered, and governor arm is allowed to react normally with its spring tension, and increase engine speed.
Sometimes, a bunch of grit can accumulate in the solenoid body / assembly. Remove the assembly from governor arm, and the generator should run at full speed. After cleaning, replace solenoid, and test. if stil failing, make sure solenoid works by applying 12 volts (usually) to it, to see if it kicks. If it does, look for break in wiring, or at control board.
Good luck.
Testimonial: "Thank you. After attempting what you suggested, we discovered the governor arm was bent just enough to not let the idle control do its job. rus"
Did you clean the brushes on the genny? Needs to be done regularly. I would guess your tools are running slower? Genny not making much power to kick engine rev up.
You governor arm has slipped out of position.remove the gas tank to reveal the gov. arm.you will notice the arm sits on another small arm which sits inside the generator.loosen the 10mm nut and slowly work it loose until you can move it freely.now take a small set of pliers or needle nose and noitice you can move the inner governor which sits in the generator slightly to the left and right. what you want to do is turn that arm counter clockwise as far as you can (it will only be about half a turn or less) and hold it there while you position the arm which you loosened to the point where it is straight showing no bend in the hindge on that arm.it may take help from an extra person to make it easier.one person needs to keep the inner arm steady fully counter clockwise while the other hold the other arm fully extended showing no bend and at that position you tighten the 10 mm nut nice and snug.thats it replace the gas tank and crank it up.i promise you,if you do this right it will solve your problem.
Mine is a DG6000E with the same sort of issue. Any load on the gennie stalls it, I tested it with a small electric drill. When I manually move the throttle lever, it bigs and stalls. Is this the same problem?
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